“Heavy Metal Contamination of African Cat Fish (Clarias gariepinus) from Industrial Effluent and Domestic Waste-contaminated Rivers and Home bred sources in Zaria, Nigeria”, AJBR, ج 23, ش 1, صص 101–105, ژانویه 2020, دسترسی: 6 آوریل 2026. [آنلاین]. قابل دسترس در: https://ojshostng.com/index.php/ajbr/article/view/874